The real number x when added to its inverse

Asked by admin @ 20/08/2021 in Math viewed by 280 People

The real number x when added to its inverse gives the minimum value of the sum at x equal to

2
1
-1
-2

Answered by admin @ 20/08/2021

The answer is -1......

If the function f is continuous for all real numbers and if f(x)=x^2-4/x+2

Asked by maham237 @ 24/12/2020 in Mathematics viewed by 303 persons

If the function f is continuous for all real numbers and f(x) = (x^2-4)/(x+2) when x cannot equal -2 , then f(-2) =?

Approximate the real number solution(s) to the polynomial function f(x) = x3 + 4x2 + x − 6.

Asked by maham237 @ 02/12/2020 in Mathematics viewed by 363 persons

Approximate the real number solution(s) to the polynomial function f(x) = x3 + 2x2 − 5x − 6. a. x = −3, x = −1, x = 2 b. x …

Which pair of complex numbers has a real-number product?

Asked by maham237 @ 25/12/2020 in Mathematics viewed by 345 persons

(1 + 3i)(6i) (1 + 3i)(2 – 3i) (1 + 3i)(1 – 3i) (1 + 3i)(3i)

How to tell if the domain is all real numbers

Asked by admin @ 26/11/2021 in Mathematics viewed by 373 persons

Find the domain and range of the relation and determine whether it is a function. a. domain: all real numbers; range: all real numbers; Yes, it is a function. b. …

By default a real number is treated as

Asked by admin @ 24/08/2021 in Computer Science viewed by 288 persons

By default, a real number is treated as a A) Integer B) Float C) Double D) Long double

The atomic number of an element x is 19

Asked by admin @ 17/08/2021 in CBSE BOARD X viewed by 322 persons

The atomic number of an element ‘X’ is 19. (a) Write its electronic configuration. (b) To which period of the Modern Periodic Table does it belong and what is its …

What should be added to twice the rational number

Asked by admin @ 16/08/2021 in Math viewed by 301 persons

What should be added to twice the rational number -7/3to get 3/7?

If 75 of a number is added to 75

Asked by admin @ 13/08/2021 in Math viewed by 283 persons

If 75% of a number is added to 75, then the result is the number itself. The number is : A) 100 B) 200 C) 300 D) 400

By default a real number is treated as a

Asked by admin @ 10/08/2021 in Computer Science viewed by 301 persons

By default, a real number is treated as a A) Integer B) Float C) Double D) Long double

When 30 of a number is added to the number

Asked by admin @ 04/08/2021 in Math viewed by 355 persons

When 30 percent of number is added to another number the second number increases to its 140 percent what is the ratio between first and second number?